West Bengal Pollution Control Board

Siliguri Laboratory

Paribesh Bhawan, Paribahan Nagar, P.O. Matigara, Siliguri,Darjeeling 734 428.



Station: MAHANANDA D/S, RAMGHAT River Basin: Mahananda CPCB Station Code: 2525
Sample Date: 17/08/2021 Sample Time: 14:10  
Human Activities: Fishing Weather: Sunny and Clear. Water Body: Ramghat on Mahananda
Frequency Of Monitoring: Quarterly Use Based Class: C Approximate Depth(Bottom/Table): 1.00 m 
Color & Intensity: Moderately Brown and turbid Odour: Septic. Visible effluent discharge: High.


Water Quality
Parameter Test Result Unit
  Ammonia-N   0.25   mg/l
  BOD   8.00   mg/l
  Conductivity   154.67   µs/cm
  Dissolved O2(DO)   6.00   mg/l
  Fecal Coliform   110000   MPN/100ml
  Fecal Streptococci   94   MPN/100ml
  Nitrate-N   0.39   mg/l
  pH   6.10   Unit
  Temperature(Water)   28   ⁰C
  Total Coliform   170000   MPN/100ml
  Boron   3.85   mg/l
  Calcium   16.03   mg/l
  Chloride   13.69   mg/l
  COD   40.00   mg/l
  Fluoride   0.24   mg/l
  Magnesium   5.6   mg/l
  Phenolpthalein Alkanity   NIL   mg/l
  Phosphate-P   0.011   mg/l
  Potassium   3.60   mg/l
  Sodium   2.40   mg/l
  Sulphate   18.97   mg/l
  Total Alkalinity   62.00   mg/l
  Total Dissolved Solids(TDS)   86.00   mg/l
  Total Fixed Solids(TFS)   158.00   mg/l
  Total Hardness as CaCo3   80.0   mg/l
  Total Suspended Solids(TSS)   38.00   mg/l
  Turbidity   30.50   NTU